lister



(Np Model.) 4 sheets-sheet 1.

A. A. LISTER.

APPARATUS FOR LIGHTING GAS BURNERS.

No. 401,184. PatentedApr. 9, 1889.

u PETERS. Phatirulhognphm, Washington. u: c.

(No Model.) 4 Sheets-Sheet 2.

A. A. LISTER.

APPARATUS FOR LIGHTING GAS BURNERS.

No. 401,184. Patented Apr. 9, 1889.

(No Model.) 4 Sheets-Sheet s.

. A. A.- LISTER. APPARATUS FOR LIGHTING GAS BURNERS. No. 401,184. Patented Apr. 9, 1889.

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(No Model.)

A. A. LISTER.

4 Sheets-Sheet 4.

APPARATUS FOR LIGHTING GAS BURNBRS.

' Patented Apr. 9, 1889.

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UNITED STATES I ALEXANDER ALFRED LISTER, OF CAMBERVELL, COUNTY OF SURREY, ENGLAND.

APPARATUS FOR LIGHTING GAS-BURNERS.

SIECIFICATION forming part of Letters Patent No. 401,184, dated April 9, 1889.

Application filed January 12,

To all whom it may concern:

Be it known that. I, ALEXANDER ALFRED LISTER, a subject of the Queen of Great Britain, residing at Camberwell, in the county of Surrey, England, have invented certain new and useful Improvements in Apparatus for Lighting Gas-Burners, (for which I have been granted British Letters Patent, dated August 21, 1886, and numbered 10,717 and I do hereby declare the following to be a full, clear, and exact description of the invention, reference being had to the accompanying dra-win gs, which form part of this specification.

The object of the apparatus which forms the subject of my invention is to provide a safe, eiieot-ive, and convenient means of lighting gas-burners which are not readily accessible, and also of lighting gas-bu rners provided with chimneys without requ iring the removal of the said chimneys. The apparatus is constructed substantially as follows: The burner is provided with a tap in the usual way. A small tube is inserted in the gas-supply pipe below the said tap and terminates at or near the orifice or orifices of the burner. The said small tube is furnished with a tap, preferably near its junction with the supply-pipe, and the part be yond such tap is split for the whole or near the whole of its length. To use the apparatus the tap in the small tube is first turned on and a light applied to the slit. A small flame will at once run along this slit to the orifice or orifices of the burner. The burner-tap is then turned on, when the gas will be instantly ignited by the small flame aforesaid, and the tap in the small tube may then be turned off. In place of splitting the said small tube, I sometimes provide a series of small holes along one side thereof, and to form such holes I preferably iile or out notches in the tube, taking care that such notches are not out quite through the thickness of the metal. I then press a needle-point through the center of each notch, thus leaving a series of very small holes along the pipe. In using the apparatus if by mistake the burner-tap be turn ed on first, a slight explosion or puff may take place when the gas is ignited. To obviate this I sometimes provide an interlocking device between the two taps, so that the burner-tap 1888 serial No. 260,516. (No model.) Patented in England August 21, 1886, No 10,717.

cannot be turned on until the tap in the small tube has first been turned on.

My invention is especially adapted for use with Argand an d other similar burn ers which require chimneys; also, for burners inclosed in globes or lanterns, which cannot be lighted in the ordinary way without first removing or opening the said globes or lanterns. I may, if desired, construct my apparatus on the principle of the Bunsen burner by mixing air with the gas in the usual well-known manner, in order to obtain a flame which will u ot smoke any part of the lamp with which it may temporarily come in contact.

In the accompanying live sheets of drawings, Figure 1 is an elevation of an ordinary Argand gas-burner. Fig. 2 is an elevation of a Douglass Argand gas-burner, and Figs. and i are elevations of regenerative gas-lamps having my invention applied. thereto in each case. Fig. 5 is a yiew of the interlocking device for the taps. Fig. 6 is a detail view of a modification illustrating a lighting-tube of the Bunsen type.

Similar letters of reference denote similar parts throughout the drawings.

In Fig. 1, A is the main tap of the burner, and B the supply-pipe. A small tube, 0, is fitted into the said pipe below the tap A and carried up till it terminates at or near the top of the burner D. A small tap, E, is provided in the tube 0. This tube is perforated from about the point C to its upper end, as shown; but a continuous slit may be employed, if pre ferred. To ignite the burner, the tap E is turned on and a light applied at the point C. A series of small jets will immediately run. up the pipe G, and on the main tap A being turned on will light the gas in the burner D, when the tap E may be shut off.

The description of Fig. 1 will practically apply to Fig. 2, which represents a Douglass Argand burner with chimney inclosed in a glass lantern. 3 and at do not represent any special forms of regenerative lamps, but are given to show how my invention may be applied to lamps of this class. In Fig. 3 the gas-supply pipe B is brought down the center of the lamp and the main tap A is situated at the top. In Fig. 4: the gas-pipe 1-) passes outside the lamp, so that in the former case the lighting-tube C is longer than'in the latter; as the said tube C must necessarily be inserted in the main pipe B before the main tap A. The action of my apparatus in this case is precisely similar to that shown in Figs. 1 and 2. In the interlocking device shown in Fig. 5 an arm, F, is fitted on the end of the plug of the main tap A, and an arm, H, is fitted on the end of the plug of the small tap E. The arm II is provided with a spring-catch, J, which, when the taps are both'closed, as shown in the drawings, locks the main tap and prevents it being opened until the opening of the small tap E turns the arm H with its catch J in the direction of the arrow clear of the arm F. \Vhen it is desired to close the main tap A, the end of the arm F pushes aside the spring-catch J into the posit-ion shown in the dotted lines in passing, and the said catch, as before. The spring of the catch is weak, so that the catch will give without affecting the plug of the tap E, and stops are provided to the plugs of both taps, so that they can only turn a quarter of a revolution in the proper direction.

Fig. 6 shows a lighting-tube constructed according to the plan of a Bunsen burnerthat is, with a slot or opening, S, at the base of the tube for the admission of air.

M y invention is specially valuable for lightis then locked by ing burners of the regenerative or other classes which-require inclosing in bowls or lanterns,

whether for use indoors or out, as it enables such lamps to be readily and safely ignited without opening the said bowls or lanterns on the one hand and avoids the use of a constantly-burning by-pass on the other hand.

I am aware that it has heretofore been proposed to employ a perforated tube for the purpose of lighting gas-burners in street-lamps, and I therefore make .no claim to the use in itself of such a perforated tube; but

\Vhat I do claim as my invention, and desire to secure by Letters Patent, is-

The combination, with a gas-burner and with the supply-pipe 13, having a tap, A, of the supplementary igniting-pipe 0, having a separate cook or tap, E, and provided with interlocking mechanism consisting of the arm H on the plug of tap E, and having the catch J and the arm F on plug of tap A, said arm F being adapted to rest on top of arm H and under catch J, as described, to prevent the premature turning of the tap A.

H In testimony that I claim the foregoing I have hereunto set my hand this 21st day of October, 1887.

ALEXANDER ALFRED LISTER.

Witnesses:

AMBROSE MYALL, HARRY KING. 

